Mammals in Kerala

Mammals are commonly described as quadrupeds or four-legged animals. Mammals are the only animals which have mammary or milk-producing glands. In all the world of Nature they are the only animals which nourish their young with milk. It would be quite correct also to define a mammal as an ' animal with hair' as every mammal, even the seemingly hairless whales, grows hair on some part of its body at some period of its life. Finally it may be said of mammals that the great majority of them bring forth their young alive and do not produce eggs as nearly all other animals do. Those curious mammals, the duck-bills and the spiny ant-eaters, lay eggs, but when the young hatch out they are suckled by the mother in the manner of true mammals.